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stock-counter-en.md

Precision Inventory: The Digital Stock Counter

The Digital Stock Counter is a practical automation project designed for small warehouses, shops, or DIY enthusiasts. It replaces manual counting with high-speed digital accuracy, ensuring you never lose track of your stock again.

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How It Works

The system utilizes an Infrared (IR) Proximity Sensor to detect objects.

  1. The Detection: When an item passes in front of the IR sensor, it reflects the IR beam back to the receiver.
  2. The Logic: The Arduino detects this signal change and increments a internal variable.
  3. The Feedback: The current "Stock Count" is displayed live on a 16x2 I2C LCD screen.
  4. The Reset: A physical push button is included to reset the count to zero whenever needed.

Key Hardware

  • Arduino Uno/Nano: The logic controller.
  • IR Proximity Sensor (Digital): The detection unit.
  • 16x2 LCD Display (I2C preferred): For clear visual feedback.
  • Tactile Push Button: For resetting the system.
  • Buzzer (Optional): To provide an audible "beep" every time an item is counted.

stock_counter_ir_sensor_macro_1772706709388.png

Why This Project?

Building a stock counter teaches you about debouncing (ensuring one object doesn't count as two) and interfacing with digital sensors. It’s a scalable project; you can easily add an SD card module to log data or an Ethernet/Wi-Fi shield to send count data directly to a cloud spreadsheet.

ข้อมูล Frontmatter ดั้งเดิม 

title: "Digital Stock Counter"
description: "Keep track of your inventory with ease! Build an automated stock counter using an Arduino and an IR proximity sensor to count items accurately as they pass."
category: "Productivity"
difficulty: "Easy"